llvm-project/llvm/test/Transforms/GlobalOpt/malloc-promote-1.ll

19 lines
501 B
LLVM

; RUN: llvm-as < %s | opt -globalopt | llvm-dis | not grep global
@G = internal global i32* null ; <i32**> [#uses=3]
define void @init() {
%P = malloc i32 ; <i32*> [#uses=1]
store i32* %P, i32** @G
%GV = load i32** @G ; <i32*> [#uses=1]
store i32 0, i32* %GV
ret void
}
define i32 @get() {
%GV = load i32** @G ; <i32*> [#uses=1]
%V = load i32* %GV ; <i32> [#uses=1]
ret i32 %V
}